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Figure 4-4. SPA-942 keypad
This is mostly because their configuration GUI offers hundreds of configurable pa-
rameters.
We don’t care about that. Here’s what you need to know to get an SPA-942 working
with your Asterisk system (and, we hope, most other Linksys VoIP devices as well).
Logging in to the phone
The first thing you need to do is get the IP address of the phone so you can log in to
the GUI interface. From the phone itself, select the icon that looks like a piece of paper
with a dog-eared corner (right below the envelope icon). This is the Settings button,
and is shown in Figure 4-4.
To get the IP address of the phone, press the Settings button, followed by 9 (or use
directional pad and scroll down to Network). Then press the select button (there is a
row of 4 buttons under the LCD screen—select is the leftmost button). The second field
should show you the IP address of the phone.
Now open your browser, enter the IP address into the address bar, hit Enter, and you
will be at the Info screen of the phone.
Registering your phone to Asterisk
Select the Admin Login link in the upper-right corner of the screen. Once you’ve done
this, you will be given several new tabs, such as Regional, Phone, Ext 1, Ext 2, and User.
Select the Ext 1 tab which will set up our first line. Then make the following menu
selections:
1. General → Line Enable → yes
2. NAT Settings → NAT Mapping Enable → no
3. NAT Settings → NAT Keep Alive Enable → no
96 | Chapter 4: Initial Configuration of Asterisk